Colonists dresses as Indians to not be arrested by the British, then marched by two towards to Griffin´s Wharf to deal with the tea.
The ¨Indians¨ (Colonists) started throwing only the tea overboard the three ships, then a colonists named Robert Sessions joined the ¨Indians¨ in finishing the job.
The British had surrounded the colonlists, but did not stop them from throwing tea off of the ships.